CN110509014A - A kind of light core plate and its preparation process - Google Patents
A kind of light core plate and its preparation process Download PDFInfo
- Publication number
- CN110509014A CN110509014A CN201910827067.5A CN201910827067A CN110509014A CN 110509014 A CN110509014 A CN 110509014A CN 201910827067 A CN201910827067 A CN 201910827067A CN 110509014 A CN110509014 A CN 110509014A
- Authority
- CN
- China
- Prior art keywords
- tube body
- plate
- core plate
- light core
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S1/00—Sheets, panels, or other members of similar proportions; Constructions comprising assemblies of such members
- F16S1/10—Composite members, e.g. with ribs or flanges attached
Abstract
A kind of light core plate and its preparation process are alternatively arranged and band pulls the tube body on side including multiple；The tube body connects into the entirety of a hollow out by dowel, forms sandwich plate, both ends are respectively welded metal decking, obtain light core plate.The invention also includes a kind of light core plate preparation processes.One aspect of the present invention can thoroughly realize lightweight；On the other hand, light-weighted simultaneously in guarantee, also improve bonding strength.
Description
Technical field
The present invention relates to a kind of core plate, especially a kind of light core plate and its preparation process.
Background technique
Core plate generally includes top panel, lower panel and multiple spaced hollow pipes between two panels.Each
Hollow pipe is independent individual, and upper and lower ends are connect with panel.The core plate is compared with other plate bodys (such as prefabricated steel), on an equal basis
Under intensity, weight is most light；Under equivalent weight, maximum intensity.However, there are following several since hollow pipe is independent individual
Point is insufficient: 1. when hollow pipe is placed on panel or is attached with panel, operation is very complicated, such as in order to prevent
Hollow pipe, which is placed on panel, generates displacement, needs in advance to limit each core pipe；Or need will one by one or a row
The hollow pipe progress sequence of row is put, and working efficiency is lower；2. the hollow pipe arranged in one piece of core plate, needs to consume more
Metal material.
Summary of the invention
One kind is provided and is saved material the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art, lightweight easy to operate
Core plate and its preparation process.
The technical scheme is that
A kind of light core plate preparation process of the present invention, comprising the following steps:
S1: stamping out multiple spaced tube bodies on a metal plate, by being cut to the metal plate so that the pipe
There are pulling side, and between adjacent tubes, there are dowels for the end of body, obtain the interlayer that multiple bands pull side tube body integration connection
Plate；
S2: metal decking is respectively welded at the both ends of the sandwich plate, obtains light core plate.
Further, described to be welded as being brazed in S2, and in the end of the tube body, described pull on side and the dowel
Layer is set at least one.
It further, further comprise processing venthole on the tube body in S1.
Further, the layer is the coat of metal or coating.
Further, the layer is the solder layer between sandwich plate and top panel and lower panel.
A kind of light core plate of the present invention is alternatively arranged and band pulls the tube body on side including multiple；The tube body passes through connection
Muscle connects into the entirety of a hollow out, forms sandwich plate, both ends are respectively welded metal decking, obtain light core plate.
Further, pulling for the tube body is equipped with layer at least one on side and the dowel, and sandwich plate is connected by layer
Connect the metal decking.
Further, the tube body is hollow communicating structure；Or the end of the tube body is enclosed construction.
Further, the tube body height of same row is identical, and the tube body height of difference row is identical or different, so that being formed between tube body
Plane or bevel structure.
Beneficial effects of the present invention:
(1) multiple spaced tube bodies are directly stamped out on one piece of metal plate, for the production of single tube body, are saved significantly
One piece of metal plate, which is used only, in about material and cost, the i.e. present invention can stamp out multiple tube bodies, and existing needs one roll up greatly gold
Belong to the production for several tube bodies that material carries out on one piece of core plate；
(2) by being cut to metal plate so that the end of tube body is there are pulling side, and there are dowel, energy between adjacent tubes
It is enough to mitigate core plate self weight significantly, and on the basis from heavy and light, by pulling side and dowel, also add sandwich plate and metal
Contact area when panel connects, and then improve bonding strength；In addition, also ing save solder；
(3) tube body integration connects, and enables to quickly put and connect between tube body and metal decking, makes simple operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that metal plate of the embodiment of the present invention stamps out tube body；
Fig. 2 is metal plate of the embodiment of the present invention by the structural schematic diagram of hollow out；
Fig. 3 is the structural schematic diagram that sandwich plate of the embodiment of the present invention is connect with lower panel；
Fig. 4 is tube body of the embodiment of the present invention and the copper-plated structural schematic diagram of dowel；
Fig. 5 is the structural schematic diagram of first preferred embodiment of the invention；
Fig. 6 is the structural schematic diagram of second preferred embodiment of the invention；
Fig. 7 is the structural schematic diagram of four preferred embodiment of the invention；
Fig. 8 is the structural schematic diagram of four preferred embodiment of the invention core plate.
Description of drawing identification:
1- sandwich plate, 2- top panel, 3- lower panel, 4- copper plate, 5- copper solder coating, 11- metal plate, 12- tube body, 13- connect
Muscle is connect, 14- pulls side, 121- stomata.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Fig. 1 ~ Fig. 6: a kind of light core plate, including sandwich plate 1, the sandwich plate 1 include metal plate 11 and are set to
Multiple spaced tube bodies 12 on metal plate；It is integrally formed between the tube body 12 and metal plate 11；12 band of tube body
Side 14 is pulled, the entirety that side 14 connects into a hollow out by dowel 13 is pulled, forms sandwich plate 1, the both ends difference of sandwich plate
Top panel 2 and lower panel 3 are welded, light core plate is obtained.
Above scheme, which has the advantage that, is integrally formed tube body and metal plate, greatly simplifies core plate structure.Metal plate it
So be designed to engraved structure, be because are as follows: first, can reduce core plate self weight, and save material；Second, dowel can be used as
Limiting section is attached tube body by dowel, keep shape between each tube body integral；Third goes out to connect by hollow out
Muscle also adds contact area when sandwich plate is connect with lower panel on the basis from heavy and light, i.e., is connected by dowel
It connects, not only improves bonding strength, but also save solder；4th, go out to pull side by hollow out, on the one hand can improve tube body and dowel it
Between bonding strength, on the other hand, contact area when tube body is connect with panel can be increased.
Metal plate 11 of the invention goes out tube body 12 using the punch forming of punch forming mode, realizes and is integrally formed.The gold
Belonging to plate can be the materials such as stainless steel, carbon steel, aluminium alloy.
The top of the tube body 12 pulls and is equipped with layer on side 14 and dowel 13, or pulls side and dowel selects it
One setting layer；The two sides of sandwich plate 1 connects top panel 2 and lower panel 3 by layer respectively.Since the one side of sandwich plate 1 is
Tube body, another side are engraved structure, are needed in its two sides addition top panel 2 and lower panel 3 to constitute complete core plate, so that on
It is fixedly connected between panel 2 and tube body 12, lower panel 3 is fixedly connected with pulling between side 14, dowel 13.Wherein, layer can be with
It is the coat of metal or coating, such as uses copper facing or coated copper solder technique.Layer can also be set on sandwich plate and top panel
Between and the solder between sandwich plate and lower panel, such as copper solder is directly layed between two metal plates, furthermore solder
It may be designed as engraved structure, it is corresponding with sandwich plate, solder on the one hand can be saved, on the other hand, can prevent solder from existing
Accumulation is generated in brazing process, so that soldering is uneven.The setting of layer can also be following manner: first the top of tube body,
It pulls the setting coat of metal on side or dowel to be pre-fixed, then soldering fixation is carried out by solder；By pre-fixing, on the one hand
It can prevent from generating displacement between top panel, lower panel and sandwich plate in brazing process, cause brazing quality poor；On the other hand,
The wetting and spreading performance of solder can be improved.
In the present invention, the tube body 12 processed is that one end band that hollow communicating structure or tube body are not connected with metal plate
There is bottom surface, is semi-closed structure.
The tube body 12 that the present invention stamps out can there are two types of structure, one is hollow communicating structure, i.e., tube body up and down,
When top panel is connect with tube body, layer can be set on the contact surface of body marginal.When using soldering, solder can be arranged
Multiple spaced holes are equipped at position limiting structure, such as solder；The edge in hole is equipped with the limiting section for limiting tube body, specifically
Structure can be found in a kind of cored solder structure disclosed in CN 109128567A.In this way, solder can be inserted directly into the hole of tube body, into
Row soldering.Another kind is that tube body is not broken through completely, and is provided with closed bottom surface, can be straight when tube body is connect with top panel
It connects and solder is laid between each tube body and top panel, and the bottom surface of tube body can increase the contact surface between top panel
Product, greatly improves bonding strength.
In the present invention, the tube body height of same row is identical, and the tube body height of difference row is identical or different, so that shape between tube body
At plane or bevel structure.
Core plate of the invention can be parallel or not parallel between top panel 2 and lower panel 3.Such as: punching press on metal plate
Five comb body unit out, every comb body unit include five tube bodies, the height of five comb body units can be identical, when connection above
When plate and lower panel, it is placed in parallel between top panel and lower panel.The height of five comb body units can also be different, such as first row
Tube body height to the 5th row is sequentially increased, and forms an inclined-plane, in this way, when top panel is connect with tube body, will slant setting,
It is not parallel with lower panel.For different types of core plate, it is applicable to different occasions.
In the present invention, tube body 12 is equipped with stomata 121, convenient for the gas of internal expansion is discharged when soldering.
In the present invention, the highly preferred of tube body stamped out is 6 ~ 20mm.It can material thickness according to metal plate, extensibility
To determine the press height of tube body.
A kind of light core plate preparation process, comprising the following steps:
As shown in Fig. 1 ~ Fig. 4: step 1: processing multiple spaced tube bodies 12 on a metal plate 11, obtaining sandwich plate
1。
Specifically, punching press is carried out to metal plate by stamping die, for example, first first row carries out punching press, then again second
Row, successively punching press, tube body is in punching course, for reduction in the numbers of seconds, it usually needs punch forming at least twice by third row ...
For required shape, the tubular form stamped out can be cylinder, polygon, rotary table etc..The tube body stamped out can be perforation,
Punching press hole opening technology is such as carried out, semi-closed structure is also possible to, keeps smooth bottom surface.
Step 2: reprocessing to sandwich plate 1, the plate between each tube body is removed, reserved tube body pulls side 14, and
It is connected between adjacent tubes tube body 12 by dowel 13.
Specifically, punching press, which can be used, goes material technique to carry out hollow out to metal plate, so that being formed between tube body 12 by hollow out
Pull side 14 and dowel 13 links into an integrated entity, to obtain the sandwich plate 1 of lightweight.I.e. metal plate is stamped after material, only surplus
Pull side 14 and dowel 13 in lower tube body edge.
Step 3: setting layer on the sandwich plate 1, other metal plates are connected by layer, form core plate.
Specifically, in the top edge of tube body, pull cladding or coating be set on side and dowel, wherein dowel can nothing
Whole installation layer is needed, or can be only to side setting layer is pulled, no setting is required for dowel；Then sandwich plate 1 is placed in lower panel 3
On, and top panel 2 is placed on sandwich plate 1, it is welded, if coating is solder, can directly carry out soldering connection.In addition,
Additional laying solder also may be selected.After top panel, sandwich plate are connected with lower panel, core plate is formed.
The following are the first preferred embodiments of light core plate preparation process of the present invention:
S101: multiple spaced stylostomes are stamped out by punch forming process on the metal plate 11 of a stainless steel material
Body 12, obtains sandwich plate 1, and 12 punching press aperture of tube body obtains tube body 12 up and down, and the height of each tube body 12 is consistent；
S102: it goes material technique to carry out hollow out to metal plate 11 using punching press, removes the plate between each tube body 12, make each pipe
It is linked into an integrated entity between body by pulling side 14 and dowel 13；
S103: the edge contact area in the hole at 12 top of tube body and the copper facing on pulling side 14 obtain copper plate 4；
S104: sandwich plate 1 is placed on lower panel 3, and top panel 2 is placed on sandwich plate 1, and sandwich plate 1 and lower panel 3 it
Between, between top panel 2 and sandwich plate 1 be respectively provided with copper solder；
S105: it is pre-fixed by copper plate 4 between sandwich plate 1, lower panel 3 and between top panel 2, sandwich plate 1；
S106: the plate body after pre-fixing being placed in soldering oven and is brazed, and obtains core plate, and core plate structure is as shown in Figure 5.
The following are the second preferred embodiments of light core plate preparation process of the present invention:
S201: multiple spaced tube bodies are stamped out by punch forming process on the metal plate 11 of a stainless steel material
12, sandwich plate 1, and tube body punching press aperture are obtained, obtains tube body 12 up and down, and the height of tube body drains into N from first
Row (N >=2) is sequentially increased；
S202: it goes material technique to carry out hollow out to metal plate 11 using punching press, removes the plate between each tube body, make each tube body
Between linked into an integrated entity by pulling side 14 and dowel 13；
S203: the edge in the hole at the top of tube body and copper solder coating 5 is coated on pulling side 14；
S204: sandwich plate 1 is placed on lower panel 3, and top panel 2 is placed on sandwich plate 1, is placed in soldering oven and is carried out pricker
Weldering；
S205: realizing top panel 2, sandwich plate 1, the fixation between lower panel 3 after the melting of coated copper solder, obtains core plate, and core
The upper surface of plate plate is bevel structure, and core plate structure is as shown in Figure 6.
The following are the third preferred embodiments of light core plate preparation process of the present invention:
S301: multiple spaced tube bodies are stamped out by punch forming process on the metal plate 11 of a stainless steel material
12, sandwich plate is obtained, tube body is semi-closed structure, i.e., the side of not connected metal plate 11 is equipped with contact surface, and the height of tube body
Degree is consistent；
S302: it goes material technique to carry out hollow out to stainless steel plate using punching press, removes the plate between each tube body, make each tube body
Between linked into an integrated entity by pulling side 14 and dowel 13；
S303: the edge in the hole at the top of tube body and pulling equal copper facing on side and dowel, obtains copper plate 4；
S304: sandwich plate 1 is placed on lower panel 3, and top panel 2 is placed on sandwich plate 1, sandwich plate 1 and lower panel 3 it
Between, copper solder is equipped between top panel 2 and sandwich plate 1, and copper solder is engraved structure；
S305: it is pre-fixed by copper plate 4 between sandwich plate 1, lower panel 3 and between top panel 2, sandwich plate 1；
S306: the plate body after pre-fixing being placed in soldering oven and is brazed, and obtains core plate, and top panel and the described of tube body connect
Between contacting surface formed effectively connection, lower panel and pull between side and dowel formed effectively connection.
The following are the 4th preferred embodiments of light core plate preparation process of the present invention:
As shown in Figure 7 and Figure 8: the difference with first preferred embodiment is that the tubular form stamped out on a metal plate is circle
Mesa-shaped.
Core plate made by the various embodiments described above is ultra-thin light material, and top panel and lower panel are programmable very thin,
The core plate of the present embodiment can be widely used for the fields such as production furniture, luggage, carbody shell, container, fan blade used in wind-power electricity generation,
It thoroughly realizes lightweight, such as keeps furniture easy to carry, keep vehicle driving more stable, more energy efficient；Fan blade is set to be easier to send out
Electricity is able to achieve power generation due to lightweight gentle breeze.
Claims (9)
1. a kind of light core plate preparation process, which comprises the following steps:
S1: stamping out multiple spaced tube bodies on a metal plate, by being cut to the metal plate so that the pipe
There are pulling side, and between adjacent tubes, there are dowels for the end of body, obtain the interlayer that multiple bands pull side tube body integration connection
Plate；
S2: metal decking is respectively welded at the both ends of the sandwich plate, obtains light core plate.
2. light core plate preparation process according to claim 1, which is characterized in that it is described to be welded as being brazed in S2, and
The end of the tube body, described pull at least one on side and the dowel set layer.
3. light core plate preparation process according to claim 1 or 2, which is characterized in that further comprise described in S1
Venthole is processed on tube body.
4. light core plate preparation process according to claim 2, which is characterized in that the layer is the coat of metal or painting
Layer.
5. light core plate preparation process according to claim 2, which is characterized in that the layer be set on sandwich plate with it is upper
Solder layer between panel and lower panel.
6. a kind of light core plate, it is alternatively arranged and band pulls the tube body on side including multiple；It is characterized in that, the tube body passes through connection
Muscle connects into the entirety of a hollow out, forms sandwich plate, the both ends of sandwich plate are respectively welded metal decking, obtain light core plate.
7. light core plate according to claim 6, which is characterized in that the tube body is pulled on side and the dowel at least
Layer is equipped at one, sandwich plate connects the metal decking by layer.
8. light core plate according to claim 6 or 7, which is characterized in that the tube body is hollow communicating structure；Or institute
The end for stating tube body is enclosed construction.
9. light core plate according to claim 6 or 7, which is characterized in that the tube body height of same row is identical, difference row's
Tube body height is identical or different, so that forming plane or bevel structure between tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827067.5A CN110509014A (en) | 2019-09-03 | 2019-09-03 | A kind of light core plate and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827067.5A CN110509014A (en) | 2019-09-03 | 2019-09-03 | A kind of light core plate and its preparation process |
Publications (1)
| Publication Number | Publication Date |
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| CN110509014A true CN110509014A (en) | 2019-11-29 |
Family
ID=68629361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910827067.5A Pending CN110509014A (en) | 2019-09-03 | 2019-09-03 | A kind of light core plate and its preparation process |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487726A (en) * | 1990-07-30 | 1992-03-19 | Calsonic Corp | Manufacture for core part of housingless type oil cooler |
| CN2284110Y (en) * | 1996-12-03 | 1998-06-17 | 黄昆祥 | Forming mould series for small-bore metal tube |
| CN101122362A (en) * | 2007-09-19 | 2008-02-13 | 哈尔滨工业大学 | Fibre-reinforced composite lattice sandwich plate and its preparing process |
| CN101185951A (en) * | 2007-12-07 | 2008-05-28 | 唐林松 | Technique method using metal sheet material to draft connecting component like buckles |
| CN103252628A (en) * | 2012-02-20 | 2013-08-21 | 株式会社京滨冷暖科技 | Method of manufacturing evaporator with cool storage function |
| CN103978063A (en) * | 2014-04-24 | 2014-08-13 | 张红霞 | Dissimilar metal tubular product, preparation method and application thereof |
| CN104527144A (en) * | 2014-11-26 | 2015-04-22 | 上海复合材料科技有限公司 | Lightweight multi-functionalization interlayer-structure plate and manufacture method thereof |
| CN108397679A (en) * | 2017-02-08 | 2018-08-14 | 张跃 | A kind of sandwich metallic plate material |
| CN108580583A (en) * | 2018-04-23 | 2018-09-28 | 张楠楠 | A kind of metal stamping device |
| CN209430548U (en) * | 2019-01-22 | 2019-09-24 | 张跃 | A kind of connection structure of core plate |
-
2019
- 2019-09-03 CN CN201910827067.5A patent/CN110509014A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487726A (en) * | 1990-07-30 | 1992-03-19 | Calsonic Corp | Manufacture for core part of housingless type oil cooler |
| CN2284110Y (en) * | 1996-12-03 | 1998-06-17 | 黄昆祥 | Forming mould series for small-bore metal tube |
| CN101122362A (en) * | 2007-09-19 | 2008-02-13 | 哈尔滨工业大学 | Fibre-reinforced composite lattice sandwich plate and its preparing process |
| CN101185951A (en) * | 2007-12-07 | 2008-05-28 | 唐林松 | Technique method using metal sheet material to draft connecting component like buckles |
| CN103252628A (en) * | 2012-02-20 | 2013-08-21 | 株式会社京滨冷暖科技 | Method of manufacturing evaporator with cool storage function |
| CN103978063A (en) * | 2014-04-24 | 2014-08-13 | 张红霞 | Dissimilar metal tubular product, preparation method and application thereof |
| CN104527144A (en) * | 2014-11-26 | 2015-04-22 | 上海复合材料科技有限公司 | Lightweight multi-functionalization interlayer-structure plate and manufacture method thereof |
| CN108397679A (en) * | 2017-02-08 | 2018-08-14 | 张跃 | A kind of sandwich metallic plate material |
| CN108580583A (en) * | 2018-04-23 | 2018-09-28 | 张楠楠 | A kind of metal stamping device |
| CN209430548U (en) * | 2019-01-22 | 2019-09-24 | 张跃 | A kind of connection structure of core plate |
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